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《Journal of Anhui Agricultural Sciences》 2010-09
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Diagnostic Analysis of Soil Moisture in Northeast China

LI Chen et al (Key Laboratory of Meteorological Disaster of Ministry of Education,Nanjing University of Information Science and Technology,Nanjing,Jiangsu 210044)  
The horizontal distribution and vertical distribution characteristics of monthly average soil moisture (10-100 cm) of northeastern region of China in 22 years(1981-2002) were analyzed. The spatial and temporal variations also were analyzed. The results showed that from 1981 to 2002,the northeast region surface (10-60 cm) of soil moisture show a downward trend,while the deep (60 cm) following an upward trend. The vertical structure of soil moisture of different years was different. Rainfall was one possible reason for this phenomenon. The vertical structure of each station of the northeast of China had different characteristics,in addition to precipitation,snow cover,ground temperature and other factors also affected the changes of soil moisture changes.
【Fund】: 公益性行业(气象)科研专项(GYHY200706005);; 国家自然科学基金项目(40775033);; 江苏省青蓝工程(2009)共同资助
【CateGory Index】: S152.7
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